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. 2022 Jun 29;5:635. doi: 10.1038/s42003-022-03578-4

Fig. 7. Schematic representation of the cell surface conjugation strategy and functionality study.

Fig. 7

Children born from mothers with GDM experience increased risk of developing T2DM, hypertension, and cardiovascular disease later in life. Key to this enhanced risk is stress-induced dysfunction of vascular progenitor cells, including ECFCs. Cord blood-derived ECFCs isolated from patients with GDM overexpress TAGLN, demonstrate reduced cell migration, and exhibit impaired tube formation compared to normal ECFCs. Cell surface conjugation with bioactive nanoparticles enable pseudo-autocrine stimulation of GDM-ECFCs with SB-431542. Rejuvenation of GDM-ECFCs normalizes TAGLN expression, preserves key progenitor phenotypes, improves cell migration and tube formation in vitro, as well as augments the density and area of chimeric vessels formed in vivo. This cell surface conjugation strategy to rejuvenate GDM-ECFCs and improve their clinical potentials can be used for therapeutic vasculogenesis to address various complications precipitated from GDM.